Cognitive Complaints in Obstructive Sleep Apnea
NCT02769663, Completed, VieCuri Medical Centre
Trial 9
As registered on ClinicalTrials.gov, in the graph's capture of the registry.
| Field | Value | Source |
|---|---|---|
| Title | Cognitive Complaints in Obstructive Sleep Apnea | ClinicalTrials.gov |
| NCT number | NCT02769663 | ClinicalTrials.gov |
| Status | Completed | ClinicalTrials.gov |
| Enrollment | 180 participants, actual | ClinicalTrials.gov |
| Lead sponsor | VieCuri Medical Centre | ClinicalTrials.gov |
| Conditions | Cognition Disorders, Sleep Apnea Syndromes, Obstructive | ClinicalTrials.gov |
| Interventions | questionnaires and neuropsychological assessments | ClinicalTrials.gov |
| First posted | 2016-05-11 | ClinicalTrials.gov |
| Last updated | 2020-07-14 | ClinicalTrials.gov |
Registered outcomes 18
Each outcome the trial registered, primary first, in ClinicalTrials.gov's words.
| List | Outcome | Time frame | Description | Source |
|---|---|---|---|---|
| Primary | Cognitive Failure Questionnaire (CFQ) | Assessed at inclusion of study and, if treatment is started, after 6 months of treatment. | Questionnaire assessing cognitive complaints | ClinicalTrials.gov |
| Primary | Behavior Rating Inventory of Executive Function Adult version (BRIEF-A) | Assessed at inclusion of study and, if treatment is started, after 6 months of treatment. | Questionnaire assessing cognitive complaints | ClinicalTrials.gov |
| Secondary | Hospital Anxiety and Depression Scale (HADS) | Assessed at inclusion of study and, if treatment is started, after 6 months of treatment. | questionnaire assessing anxiety and depressive symptoms | ClinicalTrials.gov |
| Secondary | Fatigue Assessment Scale (FAS) | Assessed at inclusion of study and, if treatment is started, after 6 months of treatment. | questionnaire assessing fatigue | ClinicalTrials.gov |
| Secondary | Epworth Sleepiness Scale (ESS) | Assessed at inclusion of study and, if treatment is started, after 6 months of treatment. | questionnaire assessing sleepiness | ClinicalTrials.gov |
| Secondary | Pittsburgh Sleep Quality Index (PSQI) | Assessed at inclusion of study and, if treatment is started, after 6 months of treatment. | questionnaire screening for sleep disorders and assessing sleep quality | ClinicalTrials.gov |
| Secondary | Sleep diary | Assessed at inclusion of study and, if treatment is started, after 6 months of treatment. | subjective measure for sleep quality | ClinicalTrials.gov |
| Secondary | World Health Organisation Quality of Life Questionnaire BREF (WHOQOL-bref) | Assessed at inclusion of study and, if treatment is started, after 6 months of treatment. | questionnaire measuring quality of life | ClinicalTrials.gov |
| Secondary | Utrechtse Coping Lijst (UCL) | Assessed at inclusion of study and, if treatment is started, after 6 months of treatment. | questionnaire measuring psychological coping strategies | ClinicalTrials.gov |
| Secondary | Dutch reading tests for adults (NLV) | Assessed at inclusion of study. | cognitive test for verbal intelligence | ClinicalTrials.gov |
| Secondary | Central Nervous System Vital Signs Symbol Digit Coding (CNS-VS-SDC) | Assessed at inclusion of study and, if treatment is started, after 6 months of treatment. | cognitive test for attention | ClinicalTrials.gov |
| Secondary | Central Nervous System Vital Signs Continuous Performance Test (CNS-VS-CPT) | Assessed at inclusion of study and, if treatment is started, after 6 months of treatment. | cognitive test for attention | ClinicalTrials.gov |
| Secondary | Central Nervous System Vital Signs Stroop Test (CNS-VS-ST) | Assessed at inclusion of study and, if treatment is started, after 6 months of treatment. | cognitive test for attention/executive function | ClinicalTrials.gov |
| Secondary | Central Nervous System Vital Signs Shifting Attention Test (CNS-VS-SAT) | Assessed at inclusion of study and, if treatment is started, after 6 months of treatment. | cognitive test for attention/executive function | ClinicalTrials.gov |
| Secondary | Rey Auditory Verbal Learning Test (RAVLT) | Assessed at inclusion of study and, if treatment is started, after 6 months of treatment. | cognitive test for memory | ClinicalTrials.gov |
| Secondary | Wechsler Adult Intelligence Scale III - Digit Span (WAIS-III-DS) | Assessed at inclusion of study and, if treatment is started, after 6 months of treatment. | cognitive test for attention/executive function | ClinicalTrials.gov |
| Secondary | Trail Making Test (TMT) | Assessed at inclusion of study and, if treatment is started, after 6 months of treatment. | cognitive test for attention/executive function | ClinicalTrials.gov |
| Secondary | Semantic Fluency | Assessed at inclusion of study and, if treatment is started, after 6 months of treatment. | cognitive test for executive function | ClinicalTrials.gov |
Outcomes 0
Each outcome the trial posted results for, in ClinicalTrials.gov's words.
| Type | Outcome | Time frame | Population | Units | Measured as | Source |
|---|
Results by group 0
Each measurement the trial posted, group by group, in the words and numbers it posted.
| Outcome | Group | Category | Value | Spread | Units | Source |
|---|
Participant flow 0
How many started, completed or left each group, period by period.
| Period | Milestone | Group | Participants | Units counted | Source |
|---|
Adverse events 0
Each adverse event the trial posted, group by group: the participants affected out of those at risk.
| Type | Event | Organ system | Group | Affected | At risk | Events | Source |
|---|
Adverse event totals 0
The totals the trial posted for each group.
| Total | Group | Affected | At risk | Source |
|---|
Papers 1
The papers the trial lists on ClinicalTrials.gov.
| PMID | Listed as | Source |
|---|---|---|
| 40706402 | DERIVED | PubMed |
Grants 0
The grants NIH RePORTER links to the trial, newest funded first: NIH's, and some of AHRQ's, CDC's, FDA's and VA's. Each shows its title, principal investigators, organization and funder in its newest year.
| Project | Title | Principal investigators | Organization | Funder | Fiscal years | Source |
|---|
Trial comparisons 0
Comparisons of the trial's two groups, calculated by ConductScience from the counts it posted.
| Comparison | Source |
|---|
Tests 7
The ConductCognition tests this trial's registered outcomes name, as ScienceGraph matched them in trial-tests-2026-11-12-0.2.1.
| Test | Named as | Source |
|---|---|---|
| Category Fluency | Secondary outcome | ConductCognition |
| Continuous Performance Test | Secondary outcome | ConductCognition |
| Digit Span Test | Secondary outcome | ConductCognition |
| Stroop Color-Word Test | Secondary outcome | ConductCognition |
| Trail Making Test A | Secondary outcome | ConductCognition |
| Trail Making Test B | Secondary outcome | ConductCognition |
| Verbal Learning | Secondary outcome | ConductCognition |
Source 5
| Field | Value | Source |
|---|---|---|
| Release | trials-2026-11-12-0.4.0 | ClinicalTrials.gov |
| Release manifest SHA-256 | 0f4a8d8c48aee2a7573ae0fa94ecbeab70c1adbe449bbc95c424bc7d3e97b9d4 | ClinicalTrials.gov |
| Registry capture | 2026-11-12 | ClinicalTrials.gov |
| Results copy, AACT | 2026-03-23 | ClinicalTrials.gov |
| NIH clinical studies file | 2026-11-13 | ClinicalTrials.gov |
Release trials-2026-11-12-0.4.0
ClinicalTrials.gov's posted results, through CTTI's AACT: ClinicalTrials.gov data via Aggregate Analysis of ClinicalTrials.gov (AACT), CTTI. CTTI makes its materials freely available and requests acknowledgement. https://aact.ctti-clinicaltrials.org/documentation/299 ClinicalTrials.gov's data carry an international copyright outside the United States: https://clinicaltrials.gov/about-site/terms-conditions.
ClinicalTrials.gov: none stated ClinicalTrials.gov's data carry an international copyright outside the United States: https://clinicaltrials.gov/about-site/terms-conditions.
NIH RePORTER's clinical studies and project files: Public domain (NIH RePORTER)